129 lines
4.6 KiB
C++
129 lines
4.6 KiB
C++
// Copyright ⓒ 2018-2021 ThePhD.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// See https://github.com/ThePhD/out_ptr/blob/master/docs/out_ptr.adoc for documentation.
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#include <ztd/out_ptr/inout_ptr.hpp>
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#include <ficapi/ficapi.hpp>
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#include <catch2/catch.hpp>
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TEST_CASE("simple_inout_ptr/basic", "simple_inout_ptr type works with smart pointers and C-style output APIs") {
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SECTION("unique_ptr<void>") {
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std::unique_ptr<void, ficapi::deleter<>> p(nullptr);
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ficapi_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p), ficapi_type::ficapi_type_int);
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int* rawp = static_cast<int*>(p.get());
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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}
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SECTION("unique_ptr<int>") {
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std::unique_ptr<int, ficapi::deleter<>> p(nullptr);
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ficapi_int_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p));
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int* rawp = p.get();
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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}
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}
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TEST_CASE("simple_inout_ptr/stateful", "simple_inout_ptr type works with stateful smart pointers") {
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SECTION("unique_ptr<void, stateful_deleter>") {
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std::unique_ptr<void, ficapi::stateful_deleter> p(nullptr, ficapi::stateful_deleter{ 0x12345678, ficapi_type::ficapi_type_int });
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ficapi_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p), ficapi_type::ficapi_type_int);
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int* rawp = static_cast<int*>(p.get());
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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REQUIRE(p.get_deleter().state() == 0x12345678);
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REQUIRE(p.get_deleter().type() == ficapi_type::ficapi_type_int);
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}
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SECTION("unique_ptr<int, stateful_int_deleter>") {
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std::unique_ptr<int, ficapi::stateful_int_deleter> p(nullptr, ficapi::stateful_int_deleter{ 0x12345678 });
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ficapi_int_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p));
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int* rawp = p.get();
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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REQUIRE(p.get_deleter().state() == 0x12345678);
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}
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}
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TEST_CASE("simple_inout_ptr/reused", "simple_inout_ptr type properly deletes non-nullptr types from earlier") {
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struct reused_deleter {
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int store = 0;
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void operator()(void* x) {
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++store;
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ficapi_delete(x, ficapi_type::ficapi_type_int);
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}
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};
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struct reused_int_deleter {
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int store = 0;
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void operator()(int* x) {
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++store;
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ficapi_int_delete(x);
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}
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};
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SECTION("unique_ptr<void, reused_deleter>") {
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std::unique_ptr<void, reused_deleter> p(nullptr, reused_deleter{});
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ficapi_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p), ficapi_type::ficapi_type_int);
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{
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int* rawp = static_cast<int*>(p.get());
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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REQUIRE(p.get_deleter().store == 0);
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}
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ficapi_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p), ficapi_type::ficapi_type_int);
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{
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int* rawp = static_cast<int*>(p.get());
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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REQUIRE(p.get_deleter().store == 0);
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}
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ficapi_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p), ficapi_type::ficapi_type_int);
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{
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int* rawp = static_cast<int*>(p.get());
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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REQUIRE(p.get_deleter().store == 0);
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}
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}
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SECTION("unique_ptr<int, reused_int_deleter>") {
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std::unique_ptr<int, reused_int_deleter> p(nullptr, reused_int_deleter{});
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ficapi_int_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p));
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{
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int* rawp = p.get();
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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REQUIRE(p.get_deleter().store == 0);
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}
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ficapi_int_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p));
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{
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int* rawp = p.get();
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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REQUIRE(p.get_deleter().store == 0);
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}
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ficapi_int_re_create(ztd::out_ptr::op_detail::simple_inout_ptr(p));
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{
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int* rawp = p.get();
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REQUIRE(rawp != nullptr);
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REQUIRE(*rawp == ficapi_get_dynamic_data());
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REQUIRE(p.get_deleter().store == 0);
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}
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}
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}
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